7. It's just setting up a frame

where whatever Obama does at the town hall can be criticized.

If he grins and laughs (as he often does when working crowds etc.) - ZOMG HE'S JUST LIKE BIDEN, HOW UNPRESIDENTIAL!!!! If he's more somber and restrained - ZOMG NO PASSION HE'S UNENGAGED, UNINTERESTED AND PROFESSORIAL!!!!